Adventure and Exploration — Glossary

You can roll the dice again and use the higher value. This can stack

The creature cannot see. Automatically fail checks that require sight. If the creature does not have any sense(e.g tremor sense) to detect incoming attacks, spells or effects. The creature takes a -5 penalty to saving throws, dodge and armor. If they do have those sense, they take a -2 penalty instead.

You roll 10 higher than the DC

Roll two dice and use the lower value, this can stack.

Expert proficiency tier provides a +5

Hinderence is the penalty you take to dodge, reflex saves and atheletics and acrobatics skill check if you do not meet the speed requirement

Master Proficiency tier is a +8

Enemies gain +2 to attack rolls against you. If Off-Guard is applied twice, enemies instead gain Advantage on all attack rolls against you.

trained is the lowest tier of proficiency, you gain a +2 + half your level rounded up to it.